133812533459 has 16 divisors (see below), whose sum is σ = 146343724800. Its totient is φ = 121342808160.

The previous prime is 133812533431. The next prime is 133812533471. The reversal of 133812533459 is 954335218331.

It is a cyclic number.

It is not a de Polignac number, because 133812533459 - 2¹² = 133812529363 is a prime.

It is a super-3 number, since 3×133812533459³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133812533479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7343642 + ... + 7361840.

It is an arithmetic number, because the mean of its divisors is an integer number (9146482800).

Almost surely, 2^133812533459 is an apocalyptic number.

133812533459 is a deficient number, since it is larger than the sum of its proper divisors (12531191341).

133812533459 is a wasteful number, since it uses less digits than its factorization.

133812533459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850.

The product of its digits is 1166400, while the sum is 47.

The spelling of 133812533459 in words is "one hundred thirty-three billion, eight hundred twelve million, five hundred thirty-three thousand, four hundred fifty-nine".